That jibes with director Bryan Singer, who recently said that he wasn't sure if Berry would return. "I can't say. I don't know yet. And it's not necessarily a deal making aspect at all," he said to MTV. "I want to make sure it'll make sense. But I love working with her. Singer told HuffPost Entertainment that the film will begin shooting on April 15.

Most of the cast and crew are set to return to the film, including Jennifer Lawrence, who won Best Actress at the 85th annual Academy Awards. She starred in "X-Men: First Class" and has been cast alongside "X-Men" originals like Hugh Jackman and Patrick Stewart.

With the return of so many of the core cast members, it only makes sense that Berry would reclaim her spot among them. But that remaining 10 percent will continue to nag "X-Men" fans until an official confirmation is released. The film is set to hit theaters in the summer of 2014.